Michael J. McWilliams, M.D.  
Male, 36
Wilmington - NC

Specialties: atrial fibrillation, Pacemakers, Defibrillators, Arrhythmias (SVT, VT), PVC/PAC, Ablation


Wilmington Health Associates
910-341-3301
1202 Medical Center Drive
Wilmington - NC
2 hours ago in the Heart Rhythm Expert Forum
1. Other than heart rate, your symptoms do not sound cardiac related. 2. Steroids would be out of your system within a few days and a short burst of steroids wouldn't be expected to make any last effects, especially on the heart. 3. I have not heard of migraines causing rapid heart rates before. I cannot think of any persistant changes that a migrain...
2 hours ago in the Heart Rhythm Expert Forum
Medications like fluconazole block potassium channels. In susceptible people, this can prolong the QT interval on the EKG and lead to ventricular tachycardia called torsade de points. There is a whole list of medications that can have similar effects: http://long-qt-syndrome.com/lqts_drugs.html http://www.americanheart.org/presenter.jhtml?identifier=9...
Sep 06, 2008 07:03PM in the Heart Rhythm Expert Forum
If they have done a full cardiac work up (stress test, echocardiogram, EKG, history and physical) and can't find a cardiac cause, they are probably right. Are other people observing your lips turning blue as well? That is a strange symptom and is usually assoiciated with decreased blood oxygen saturation. One thing that could do that is methemaglobinemia. ...
Sep 05, 2008 02:16PM in the Heart Rhythm Expert Forum
Pacemakers only rarely help people with neurocardiogenic sycnope. The percent you pace is completey dependent on how the device is programmed. I can take a person that paces less than 1% and make them pace 100% by changing the settings. Neurocardiogenic syncope is not an easy problem to treat. It usually involves staying hydrated, plenty of salt, and av...
Sep 05, 2008 02:04PM in the Heart Rhythm Expert Forum
I haven't seen that but it would be really hard to study. Almost everyone has them, the real question is why do some people feel them and others do not.
Sep 04, 2008 10:51PM in the Heart Rhythm Expert Forum
This is going to sound bad but PVCs are so common during and after pregnancy that I have seen some cardiologist block cases like this from their schedule. I tell you so that you know that you are far from being alone on this. This is almost never a clear explanation for why some people get pvc's. It is rarely do to potassium or magnessium. I don't have a ...